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All results from a given calculation for C5H10O (2-Butanone, 3-methyl-)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-271.751571
Energy at 298.15K-271.762677
Nuclear repulsion energy242.350432
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3052 3043 24.89      
2 A 3025 3016 6.68      
3 A 3021 3012 46.12      
4 A 3018 3009 24.43      
5 A 3016 3007 40.14      
6 A 3012 3002 0.15      
7 A 2974 2965 3.03      
8 A 2971 2963 4.01      
9 A 2959 2950 16.08      
10 A 2957 2948 27.62      
11 A 1691 1686 160.93      
12 A 1479 1474 15.26      
13 A 1471 1467 7.76      
14 A 1462 1457 4.11      
15 A 1457 1453 0.71      
16 A 1442 1437 3.84      
17 A 1441 1436 4.30      
18 A 1386 1382 1.21      
19 A 1364 1360 2.40      
20 A 1343 1339 26.59      
21 A 1316 1312 1.73      
22 A 1295 1291 2.80      
23 A 1198 1194 55.47      
24 A 1152 1148 0.96      
25 A 1079 1075 0.11      
26 A 1051 1048 28.61      
27 A 970 967 2.26      
28 A 941 938 0.17      
29 A 915 912 20.25      
30 A 914 912 17.34      
31 A 859 856 3.60      
32 A 676 674 3.92      
33 A 605 603 0.02      
34 A 512 510 2.21      
35 A 484 482 7.56      
36 A 324 323 1.48      
37 A 261 261 1.44      
38 A 235 235 0.25      
39 A 225 225 0.31      
40 A 199 198 0.20      
41 A 78 78 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 29912.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 29823.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVTZ
ABC
0.14940 0.08360 0.08195

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.606 -0.343 -1.107
C2 0.824 -0.056 -0.212
H3 1.990 1.253 1.036
H4 1.997 -0.433 1.553
H5 0.574 0.589 1.895
C6 1.355 0.367 1.163
H7 -0.809 -0.407 -1.490
C8 -0.697 -0.119 -0.438
H9 -0.922 2.026 -0.866
H10 -0.862 -2.188 0.292
H11 -1.299 1.594 0.815
H12 -1.281 -0.967 1.513
H13 -2.406 -1.321 0.192
H14 -2.437 1.192 -0.478
C15 -1.343 -1.215 0.445
C16 -1.371 1.257 -0.226

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.22272.69992.68973.30862.39152.44612.40803.47263.38363.98543.94784.32804.36993.44463.4926
C21.22272.15152.15162.21741.53302.10411.53872.79472.76482.87792.86993.49203.50202.54412.5580
H32.69992.15151.76341.78441.09734.12033.35743.56294.53113.31363.98205.16324.67954.18913.5905
H42.68972.15161.76341.78531.09664.13923.36334.51813.58363.93833.32104.69235.14043.60434.1668
H53.30862.21741.78441.78531.09403.79022.74873.45313.51372.38332.45123.92743.88083.00492.9542
C62.39151.53301.09731.09661.09403.51072.64723.47213.49342.94462.97534.23514.21413.20913.1870
H72.44612.10414.12034.13923.79023.51071.09742.51482.51973.09213.09102.49222.49632.16412.1642
C82.40801.53873.35743.36332.74872.64721.09742.19922.20002.20612.20562.18202.17951.54861.5471
H93.47262.79473.56294.51813.45313.47212.51482.19924.37091.77673.84063.81111.77293.52151.0970
H103.38362.76484.53113.58363.51373.49342.51972.20004.37093.84311.77691.77313.80781.09673.5208
H113.98542.87793.31363.93832.38332.94463.09212.20611.77673.84312.65473.17981.76972.83331.0972
H123.94782.86993.98203.32102.45122.97533.09102.20563.84061.77692.65471.77053.15671.09742.8249
H134.32803.49205.16324.69233.92744.23512.49222.18203.81111.77313.17981.77052.60111.09732.8090
H144.36993.50204.67955.14043.88084.21412.49632.17951.77293.80781.76973.15672.60112.80041.0973
C153.44462.54414.18913.60433.00493.20912.16411.54863.52151.09672.83331.09741.09732.80042.5614
C163.49262.55803.59054.16682.95423.18702.16421.54711.09703.52081.09722.82492.80901.09732.5614

picture of 2-Butanone, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C6 119.996 O1 C2 C8 120.962
C2 C6 H3 108.633 C2 C6 H4 108.677
C2 C6 H5 114.108 C2 C8 H7 104.672
C2 C8 C15 110.988 C2 C8 C16 111.984
H3 C6 H4 106.974 H3 C6 H5 109.041
H4 C6 H5 109.169 C6 C2 C8 119.041
H7 C8 C15 108.550 H7 C8 C16 108.654
C8 C15 H10 111.395 C8 C15 H12 111.802
C8 C15 H13 109.939 C8 C16 H9 111.422
C8 C16 H11 111.961 C8 C16 H14 109.853
H9 C16 H11 108.139 H9 C16 H14 107.795
H10 C15 H12 108.154 H10 C15 H13 107.834
H11 C16 H14 107.501 H12 C15 H13 107.555
C15 C8 C16 111.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.257      
2 C 0.193      
3 H 0.110      
4 H 0.111      
5 H 0.083      
6 C -0.285      
7 H 0.076      
8 C -0.008      
9 H 0.096      
10 H 0.097      
11 H 0.082      
12 H 0.082      
13 H 0.090      
14 H 0.090      
15 C -0.280      
16 C -0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.863 0.603 1.917 2.740
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.484 1.349 4.263
y 1.349 -38.267 -0.863
z 4.263 -0.863 -40.799
Traceless
 xyz
x -1.951 1.349 4.263
y 1.349 2.874 -0.863
z 4.263 -0.863 -0.923
Polar
3z2-r2-1.846
x2-y2-3.217
xy1.349
xz4.263
yz-0.863


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 183.591
(<r2>)1/2 13.550